英语人教版九年级全册Unit6 SetionA(1a-1c).ppt

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1、Unit6Whenwasitinvented?SectionA（1a~1c）a、Masterandusethepasttenseofpassivevoicefreelyb、Talkaboutthehistoryofinventions:Whenwasthetelephoneinvented?Ithinkitwasinventedin……LearningaimsWhoistheman?HeisThomasEdisonHeisagreatinventor.(1847—1931)Invent（v.发明）Invention（n.发明）inventor（n.发

2、明者）Alightbulb.A:Whatisit?B:It’salightbulb.B:ItwasinventedbyThomasEdison.Lookthethingsbelow.Inwhatorderdoyouthinktheywereinvented?1aMakeupdialogs.A:IthinktheTVwasinventedbeforethecar.B:IthinktheTVwasinventedafterthecar.___1876___1885___1927___1971dacb1blistenandmatchtheinvention

3、swiththeyears1cPairwork---Whenwasthephoneinvented?---Ithinkitwasinventedin187618761971192719761885Thepassivevoice.被动语态主动语态变被动语态的结构图:Bellinventedthetelephonein1876.ThetelephonewasinventedbyBellin1876.主语谓语动词过去时宾语时间状语主语谓语动词的过去分词宾语时间状语Thepassivevoice.被动语态主动语态改被动语态:Bellinventedthete

4、lephonein1876.wasbyExercises1.纸是中国发明的。Paper_____________(invent)inChina.2.这栋大楼是去年建造的。Thebuilding____________(build)lastyear.3.世界上许多国家都讲英文。English_____________(speak)inmanycountriesallovertheworld.wasinventedwasbuiltisspoken4.TheTVwasinventedbyanEnglishman.(就划线部分提问)____________t

5、heTVinvented_______?5.Thetelephonewasinventedin1876.(就划线部分提问)____________thetelephone_________?WhowasbyWhenwasinventedThanksforlistening!